15-Letter Words Matching ___C_I_________

There are 18 15-letter words that match ___C_I_________. 8 are common words, such as CONCEITEDNESSES and DESCRIPTIVENESS. A rarer one is REACTIONARYISMS. 9 words contain a doubled letter.

Full list 18

conceitednessesdescriptivenessdiscriminationsfractiousnessesmischievousnesspunctiliousnesssanctificationssanctimoniouslyfructificationsfunctionalitiesconceivablenessfractionalizingfunctionalisticnoncoincidencespracticablenesspracticalnessespsychiatricallyreactionaryisms

About this list

Words
18 (8 common words)
Common example
conceitednesses
Rare example
reactionaryisms
Doubled letters
9
Ending in S
14

Questions

How many 15-letter words matching ___c_i_________ are there?

18. 8 of them are common words.

What is a common example?

CONCEITEDNESSES is among the common words in this set.